Deridder

09589, 1990 WU5, 1990WU5, 2197 T-1, 2197T-1, J90W05U, T1S2197

All data for this body: [vot]

MPC data
Name (number) Deridder (9589)
a 2.59431
e 0.05519
i / sin(i) 4.1555 / 0.07246
q 2.45114
Q 2.73748
ω 343.5077
Node 133.2527
m 40.6256
n 0.2359
Epoch 2460800.5
nobs 2885
nopp 25
Years observed 1971-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.595
ep 0.105
sin(ip) 0.059
G 0.150
H 14.500
Mass
D 3.34 1.026
pV 0.331 0.1127
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 20.315
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5945 0.1046 0.0585 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.34 1.026 1.026 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.331 0.1127 0.1127 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.50 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.46 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.779 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.5059 0.8190 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6506 0.8190 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9637 0.8190 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.1834 0.8190 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V V None None Movis NIR Popescu 2018A&A...617A..12P PHOT